# Copyright 2020 The LUCI Authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

"""Functions to calculate hash digests of blocks of data."""

load('@stdlib//internal/strutil.star', 'strutil')


digest = struct(
    sha256 = struct(
        size = 32,
        bytes = lambda blob: __native__.hash_digest('SHA256', blob),
        hex = lambda blob: strutil.hex_encode(__native__.hash_digest('SHA256', blob)),
    ),
)
